1. 改进剂：impression cylinder 压印滚筒 | improver 改进剂 | improving agent 改进剂
2. 改进剂;实习生：improvement 改善 | improver 改进剂;实习生 | improvidence 无远见;不节约
3. 改进者：improver 改进物 | improver 改进者 | improver 练习生
1. Potassium bromate is an oxidizing agent used as a flour improver to strengthen the dough, allowing higher rising to yield higher volume of bread.
noun
1. \u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
1. a component that is added to something to improve it
e.g. the addition of a bathroom was a major improvement
the addition of cinnamon improved the flavor
2. someone devoted to the promotion of human welfare and to social reforms
Synonym: humanitarian do-gooder